Catalytic Coating for Reduced Coke Formation in Steam Cracking Reactors

A novel catalytic coating that converts coke to carbon oxides through a reaction with steam has been developed. Several coating formulations were tested in a jet-stirred reactor setup, and the best performing formulation was further evaluated in a pilot plant setup. Application of the coating during...

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Published in:Industrial & engineering chemistry research 2015-10, Vol.54 (39), p.9525-9535
Main Authors: Schietekat, Carl M, Sarris, Stamatis A, Reyniers, Pieter A, Kool, Lawrence B, Peng, Wenqing, Lucas, Patrick, Van Geem, Kevin M, Marin, Guy B
Format: Article
Language:English
Subjects:
Catalysis
Catalysts
Coating
Coke
Coking
Cracking (chemical engineering)
Reactors
Simulation
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cited_by cdi_FETCH-LOGICAL-a350t-cf5e059aa14ed0dcec0f853d649599745017b9642bb56449906fafb4e007a6323
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creator Schietekat, Carl M
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description A novel catalytic coating that converts coke to carbon oxides through a reaction with steam has been developed. Several coating formulations were tested in a jet-stirred reactor setup, and the best performing formulation was further evaluated in a pilot plant setup. Application of the coating during steam cracking of ethane at industrially relevant conditions resulted in a reduction of the asymptotic coking rate by 76%. The coating activity remained constant over several coking/decoking cycles. Coupled furnace-reactor run length simulations of an industrial ethane cracking unit were performed and resulted in an increase of the run length by a factor of 6. However, the simulated CO2 yield is higher than the design value of a typical caustic tower.
doi_str_mv 10.1021/acs.iecr.5b02263
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source American Chemical Society:Jisc Collections:American Chemical Society Read & Publish Agreement 2022-2024 (Reading list)
subjects Catalysis
Catalysts
Coating
Coke
Coking
Cracking (chemical engineering)
Reactors
Simulation
title Catalytic Coating for Reduced Coke Formation in Steam Cracking Reactors
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